National Partisan Trends

The following tables will detail the partisan breakdown of national election results.

Incumbents who were defeated in the general election

In the 44 states with elections, there were 4,534 incumbents who ran in the general election. The following is a breakdown of incumbents defeated in the 2012 general election:

Incumbents defeated in 2012 legislative general election

Party

Senate

House

Total

Democratic

21

49

70

Republican

37

182

219

Third Party

2

3

5

TOTALS

60

234

294

Total new legislators elected

In total, 1,707 (28.4%) new legislators were elected in 2012. Of these 1,707, 849 (50.0%) were Republicans and 854 (50.0%) were Democrats.

The following is the breakdown of new legislators.

New Legislators after the 2012 legislative elections

Party

Senate

House

Total

Democratic

165

684

849

Republican

202

652

854

Independent

0

4

4

TOTALS

367

1,340

1,707

Winners of Open Seats

Open seats contests made up 705 (11.7%) of the 6,015 seats in 2012. Of these 705 open seats, Republicans won 401 (56.9%) while Democrats won 304 (43.1%). Going into the election, the number of open seats formerly held by each party was quite similar. Estimates prior to the election suggested that approximately 52% of the open seats were previously held by Republicans and 48% were held by Democrats.